Title:
レーザービデオ内視鏡
Document Type and Number:
Japanese Patent JP6630697
Kind Code:
B2
Abstract:
A laser video endoscope provides a small diameter (25 mils) probe. This size probe requires a minimum access lesion. The tradeoff that produces such a probe includes reducing the laser guide fiber to 100 microns in diameter, employing an image bundle having approximately 6,000 optical fibers and an illumination bundle having only about 210 optical fibers. The probe where it extends into the handle has a 45 mil outer diameter and a 5 mil thick sidewall to provide resistance to breaking at the juncture with the handle. The probe is rigid, preferably metal. The probe has a larger diameter proximal portion and a smaller diameter distal portion. The distal portion of the probe has a length limited to about 710 mils. A green laser of 532 nanometers wavelength provides a collimated laser beam that causes minimal loss in the 100 micron laser optical fiber.
Inventors:
Yuram, Martin
Application Number:
JP2017057371A
Publication Date:
January 15, 2020
Filing Date:
March 23, 2017
Export Citation:
Assignee:
Beaver Visitec International, Inc.
International Classes:
A61B1/00; A61B1/07; A61B18/22
Domestic Patent References:
| JP5115501A | ||||
| JP6080401U | ||||
| JP2005532139A | ||||
| JP2006223710A | ||||
| JP2004016317A | ||||
| JP64070023A | ||||
| JP2005237436A | ||||
| JP2001218851A |
Foreign References:
| WO2008108425A1 | ||||
| DE19542955A1 |
Attorney, Agent or Firm:
Iat International Patent Business Corporation